package com.kcyu.sfhinvoice.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

@Configuration
public class RedisConfig {
    @Bean
    public RedisTemplate<Object, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
        RedisTemplate<Object, Object> template = new RedisTemplate<>();
        //配置连接工厂
        template.setConnectionFactory(redisConnectionFactory);
        //使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值（默认使用JDK的序列化方式）
        Jackson2JsonRedisSerializer jacksonSerialize  = new Jackson2JsonRedisSerializer(Object.class);
        ObjectMapper om = new ObjectMapper();
        // 指定要序列化的域，field,get和set,以及修饰符范围，ANY是都有包括private和public=
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        // 指定序列化输入的类型，类必须是非final修饰的，final修饰的类，比如String,Integer等会跑出异常
        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL); //如果过期，用下面的方法来代替
        //om.activateDefaultTyping(BasicPolymorphicTypeValidator.builder().build(), ObjectMapper.DefaultTyping.NON_FINAL);
        om.setSerializationInclusion(JsonInclude.Include.NON_NULL);
        om.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
        jacksonSerialize.setObjectMapper(om);
        // value序列化方式采用jackson
        template.setValueSerializer(jacksonSerialize);
        // key采用String的序列化方式
        template.setKeySerializer(new StringRedisSerializer());
        // 对hash的key采用String的序列化方式
        template.setHashKeySerializer(new StringRedisSerializer());
        // 对hash的value采用jackson的序列化方式
        template.setHashValueSerializer(jacksonSerialize);
        template.afterPropertiesSet();
        return template;
    }
}